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. 2016 Jul 5;19(1):41–48. doi: 10.1007/s11307-016-0980-7

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© The Author(s) 2016

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3. — These images represent the presence of fluorescent (EGFR) tumor cells at the margin of the primary tumor mass. a Ex vivo fluorescence analysis. b H&E staining (×0.6 magnification). c H&E staining (×10 magnification) and visualization of tumor cells migrating into normal brain tissue. The last row corresponds to sham surgery and, therefore, serves as a control brain tissue.